May 2000 - As instruments for controlling pollution, how do emissions taxes and emissions trading compare in terms of the incentives they create to adopt cleaner technologies? Emissions taxes may have a slight advantage over emissions trading. Kennedy and Laplante examine policy problems related...

We examine pollution-reducing R&D by a monopoly firm producing a dirty product. In a dynamic framework with hyperbolic discounting, we establish conditions under which the Porter hypothesis goes through, i.e. environmental regulation increases R&D, thus reducing pollution, as well as increasing...

The author analyzes the optimal investment in environmental protection in a model of non-overlapping hyperbolically discounting agents. He shows that, in the long run and in the absence of a commitment device, society is stuck in a situation where all agents prefer further investments, yet no...